Multiple Choice
The substances in cell membranes that form a barrier to the movement of materials across the membrane are
A) external proteins.
B) carbohydrates.
C) lipids.
D) nucleic acids.
E) internal proteins.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q8: Which of the following types of membrane
Q9: When a mouse cell and a human
Q14: The bacterium Vibrio cholerae releases a toxin
Q16: Which of the following occurs as an
Q17: Which process accounts for the movement of
Q18: If a frog egg cell is placed
Q29: Protein channels that provide passage for hormones
Q55: How does the cell membrane act as
Q70: Compare and contrast osmosis and simple diffusion.
Q77: The urinary bladder is protected from leaking